Pulse amplification in semiconductor optical amplifiers with ultrafast gain-recovery times

被引：9
|
作者：
Baveja, Prashant P. [1 ]
Kaplan, Aaron M. [1 ]
Maywar, Drew N. [2 ]
Agrawal, Govind P. [1 ]
机构：
[1] Univ Rochester, Inst Opt, Rochester, NY 14627 USA
[2] Rochester Inst Technol, Dept Telecommun Engn Technol, Rochester, NY 14623 USA
来源：
OPTICAL COMPONENTS AND MATERIALS VII | 2010年 / 7598卷
关键词：
gain recovery; amplified spontaneous emission (ASE); semiconductor optical amplifier (SOA); self-phase modulation (SPM); all optical signal processing; WAVELENGTH CONVERTER; PHASE MODULATION; SOA; ACCELERATION; TRANSMISSION; REGENERATION; INJECTION; DYNAMICS;
D O I：
10.1117/12.841025
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper presents detailed numerical and experimental study of SPM in semiconductor optical amplifiers (SOAs) with ultrafast gain-recovery times. These SOAs have a range of gain-recovery speed which is a function of drive current. At increased drive current, the amount of internal ASE in the SOA increases, which causes the small signal gain to saturate and reduces the gain-recovery time. Understanding pulse amplification in these SOAs is important for optimizing the performance of SOA-based optical regenerators and wavelength converters. Our study addresses the full range of gain-recovery times in commercial SOAs extending from less than 10 ps to > 100 ps.
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页数：11
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